Bonbons

Create a mixture of 50 kg of candy on price 700Kč. Candies has prices: 820Kč, 660Kč and 580Kč. Use cross rule.

Correct result:

a =  15 kg
b =  30 kg
c =  5 kg

Solution:


a+b+c=50
a=15
820a+660b+580c = 50•700

a+b+c=50
a=15
820•a+660•b+580•c = 50•700

a+b+c = 50
a = 15
820a+660b+580c = 35000

a = 15
b = 30
c = 5

Our linear equations calculator calculates it.



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